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-rw-r--r--block/blk-throttle.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 90ad407..c29a5a8 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -158,6 +158,7 @@ static void throtl_free_tg(struct rcu_head *head)
struct throtl_grp *tg;
tg = container_of(head, struct throtl_grp, rcu_head);
+ free_percpu(tg->blkg.stats_cpu);
kfree(tg);
}
@@ -249,11 +250,19 @@ static void throtl_init_add_tg_lists(struct throtl_data *td,
static struct throtl_grp *throtl_alloc_tg(struct throtl_data *td)
{
struct throtl_grp *tg = NULL;
+ int ret;
tg = kzalloc_node(sizeof(*tg), GFP_ATOMIC, td->queue->node);
if (!tg)
return NULL;
+ ret = blkio_alloc_blkg_stats(&tg->blkg);
+
+ if (ret) {
+ kfree(tg);
+ return NULL;
+ }
+
throtl_init_group(tg);
return tg;
}
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